WO1999045063A1 - Composition de resine de polyolefine, lamine de celle-ci et procede de production associe - Google Patents
Composition de resine de polyolefine, lamine de celle-ci et procede de production associe Download PDFInfo
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- WO1999045063A1 WO1999045063A1 PCT/JP1998/000914 JP9800914W WO9945063A1 WO 1999045063 A1 WO1999045063 A1 WO 1999045063A1 JP 9800914 W JP9800914 W JP 9800914W WO 9945063 A1 WO9945063 A1 WO 9945063A1
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
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- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
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- C09D123/10—Homopolymers or copolymers of propene
- C09D123/14—Copolymers of propene
- C09D123/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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Definitions
- the present invention relates to a polyolefin-based resin composition having good adhesion to a substrate, and more particularly, to a laminate having excellent physical properties and processability, and particularly having high adhesive strength without using an anchor coating agent.
- the present invention relates to a method for producing a laminate by extrusion lamination that can provide a molded article, has a wide molding temperature range from a low temperature range to a high temperature range, and is capable of high-speed molding. Background art
- Polyolefin has excellent heat sealing properties and moisture proof properties, and is easy to process, so it is used not only as a single-layer film, sheet or molded container material, but also for various resin films, sheets, and metal foils such as aluminum foil. ⁇ ⁇ Widely used as a laminate with paper.
- high-pressure radical-process low-density polyethylene hereinafter referred to as Hp LDP E
- Hp LDP E high-pressure radical-process low-density polyethylene
- LLDPE linear low-density polyethylene obtained by polymerization using a Cidara-based catalyst has been used.
- mLLDPE high-strength ethylene / ⁇ -olefin copolymers
- LLDPE manufactured from the Cidara type 1 catalyst and m LLDPE manufactured from the meta-aqueous catalyst are thermally decomposed at high temperatures, making it difficult to perform stable molding.
- LLDPE and mLLDPE need to be laminated at a temperature of 300 ° C or less because of problems such as odor. Therefore, when LLDPE or mLLDPE is laminated with a base material such as a polyester film, polyamide film, or metal foil by extrusion lamination or the like and used as a packaging material, the adhesive strength between the base material and LLDPE or mLLDPE is low. There was a problem.
- an ozone treatment method Japanese Patent Application Laid-Open No. 57-157724 in which the surface of the molten film is forcibly oxidized by spraying ozone onto the molten film before lamination.
- a method has been proposed in which ozone treatment and an anchor coating agent are used in combination.
- the present invention has better mechanical strength and optical properties than LLDPE using a Ziegler catalyst, and has the same low-temperature heat sealability and transparency as mLLDPE, but is superior to mLLDPE.
- a polyolefin-based resin composition that has moldability, does not go through complicated processes, has a wide molding temperature range from low to high temperature, and has excellent adhesive strength to various substrates, water resistance, etc.
- An object of the present invention is to provide a laminated body and a manufacturing method used.
- linear ethylene polymers or copolymers hereinafter collectively referred to as “linear ethylene (co) polymers”.
- the above object has been achieved by blending an epoxy compound having two or more epoxy groups into the compound.
- the novel linear (co) polymer used in the present invention is characterized by low content of low molecular weight component and amorphous component.
- the present invention provides (a) a density of 0.886 to 0.97 g / cm 3 , (b) a melt flow rate of 0.01 to: 10 Og / 10 min, and (c) a molecular weight distribution.
- a polyolefin-based resin composition comprising 0.01 to 5% by weight of a component (II) composed of an epoxy compound having a molecular weight of not more than 0.0 with respect to the total amount of the components (I) and (II).
- the resin component (I) is at least 5% by weight of a linear ethylene (co) polymer and 95% by weight of another polyolefin resin. / 0, more preferably a compound having a functional group that reacts with an epoxy group or a component ( ⁇ ) composed of an olefin polymer, and a component ( ⁇ ) comprising the total of components (I), (II) and (III). It contains less than 50% by weight of the amount.
- FIG. 1 and FIG. 2 are graphs showing the elution temperature-elution amount curves of the linear ethylene copolymers (P-2) and (P-3) used in the present invention, respectively, by the continuous heating elution fractionation method. .
- linear ethylene (co) polymer in the present invention an ethylene homopolymer or the like may be used.
- ethylene-hydroxyolefin copolymer whose physical properties are (a) density 0.86 to 0.97 gAjm 3 , (b) menoletov mouth-to-latchka 0.01 to: I 00 g / 10 min
- C a linear chain whose molecular weight distribution (Mw / Mn) satisfies the requirement of 1.5 to 5.0, and (d) a composition distribution parameter C b satisfies the requirement of 2.00 or less Ethylene (co) polymer (P_l) is preferred.
- the haeofin preferably has 3 to 20 carbon atoms, and more preferably 3 to 12 carbon atoms.
- propylene, 1-butene, 11-pentene, 4-methinolate 11-pentene, 1-hexene, 1-octene, 1-decene, 1-decene and the like can be mentioned.
- the comonomers may be used alone or in combination of two or more.
- the content of these monoolefins is desirably selected in the copolymer in a total of 30 mol% or less, preferably in the range of 3 to 20 mol%.
- the density is 0.86 to 0.97 g / cm 3 , and it is preferably formed into a film, a laminate, or the like, 0.88 ⁇ 0. 945g / cm 3, more preferably, 0. 90 ⁇ 0. 93g / cm 3 , more preferably in the range of 0. 9 1 ⁇ 0. 93g / cm 3 .
- Those having a density of less than 0.86 gm 3 are too soft and have poor rigidity, poor heat resistance, poor anti-blocking properties, and poor workability during molding.
- it exceeds 0.97 g / cm 3 it is too hard, resulting in insufficient tear strength and insufficient impact resistance.
- the (b) Meltoff monolate (hereinafter, referred to as MFR) of the linear ethylene (co) polymer of the present invention is from 0.01 to: I 00 g / 10 min, preferably from 0.1 to 100 g / 10 min. Preferably, it is in the range of 0.2 to 5 Og / 10 min, more preferably 0.5 to 40 g / 10 min. If the MFR is less than 0.01 g / 10 minutes, the workability (drawdown property, etc.) will be poor, and if it exceeds 100 g / 10 minutes, the mechanical strength such as impact resistance will decrease.
- Mw / Mn of the linear ethylene (co) polymer in the present invention is in the range of 1.5 to 5.0. More preferably, 1.5 to 4.5, furthermore It is preferably 1.8 to 4.0, particularly preferably 2.0 to 3.0. If Mw and Mn are less than 1.5, the formability is poor, and if it exceeds 5.0, the mechanical strength such as impact resistance is poor.
- MwZMn The molecular weight distribution (MwZMn) is determined by calculating the weight average molecular weight (Mw) and the number average molecular weight (Mn) by gel permeation chromatography (GPC), and calculating the ratio (Mw / Mn).
- the linear ethylene (co) polymer of the present invention (d) having a composition distribution parameter (Cb) of 2.00 or less (P-1) is less likely to cause blocking when laminated, It is preferably used because it also improves the lubricity. In addition, there is little bleeding of low molecular weight or high branching components onto the resin surface, and there is no hygiene problem.
- composition distribution parameter (Cb) is measured as follows.
- the branching degree is corrected as follows. That is, the degree of branching measured against the elution temperature is plotted, and the correlation is approximated to a straight line by the least squares method to create a calibration curve. The correlation coefficient of this approximation is large enough. The value obtained from this calibration curve is used as the degree of branching for each fraction. For fractions collected at an elution temperature of 95 ° C or higher, a linear relationship is not necessarily established between the elution temperature and the degree of branching. Do not correct.
- the weight fraction W i of each fraction was calculated by dividing the change in the degree of branching b, eluted at 5 ° C (bi-bi ⁇ ) to obtain the relative concentration c ; Plot the concentration to obtain a composition distribution curve Divide this composition distribution curve by a certain width and calculate the composition distribution parameter Cb by the following formula.
- composition distribution parameter 1 Cb ( ⁇ C j ⁇ b i 2 / ⁇ c, ⁇ bj) / ( ⁇ C j ⁇ b no ⁇ C j ) where cj and b are the relative concentration and branching degree of the j-th segment, respectively. .
- the composition distribution parameter 1 Cb is 1.0 when the composition of the sample is uniform, and the value increases as the composition distribution spreads.
- linear ethylene (co) polymer in the present invention can be produced with a well-known catalyst such as a Cidara-based catalyst or a Phillips-based catalyst.
- One embodiment is an ethylene (co) polymer (P-2) that satisfies the following requirements (d,), (e), and (f) in addition to the above (a) to (c). .
- Composition distribution parameter-Cb is 1.08 to 2.0
- organic cyclic compounds having at least a conjugated double bond and transition metal compounds of Group IV of the periodic table Particularly preferred are those obtained by homopolymerizing or copolymerizing ethylene or ethylene and ⁇ -olefin having 3 to 20 carbon atoms in the presence of a catalyst containing the same.
- a ligand having a pentagenenyl skeleton of the periodic table and a ligand having a pentagenenyl skeleton of the periodic table obtained in the presence of at least one type of catalyst containing a transition compound of Group IV.
- Preferred are linear ethylene (co) polymers obtained in the presence of at least one catalyst containing a Group IV transition compound.
- the linear ethylene (co) polymer (P-2) is substantially equivalent to the elution temperature-elution amount curve obtained by the continuous heating elution fractionation method (TREF).
- the peak is a homopolymer or copolymer of multiple special ethylenes
- the linear ethylene (co) polymer (P-3) is eluted by the same continuous heating elution fractionation method (TREF).
- FIG. 2 in the temperature-elution amount curve, at least one kind of ligand having substantially one peak, including a ligand having a cyclopentagenenyl skeleton and a transition metal compound belonging to Group IV of the periodic table.
- Ethylene homopolymers or copolymers with typical meta-aqueous catalysts obtained in the presence of a catalyst.
- Linear ethylene (co) polymers (P-2) and (P-3) Obvious Are distinguished.
- the molecular weight distribution (Mw / Mn) is in the range of 1.5 to 5.0, and those of 1.5 to 4.5 are more preferable. Preferably, it is more preferably in the range of 1.8 to 4.0, more preferably 2.0 to 3.0.
- the (d ′) composition distribution parameter Cb is more preferably from 1.08 to 2.00, and even more preferably from 1.12 to 2.00. : 1.70, more preferably 1.15 to: 1.50. If it is less than 1.08, the hot tack property is inferior, and if it is more than 2.00, the transparency is reduced, and a polymer gel may be formed on a molded article.
- the special linear ethylene (co) polymer (P-2) in the present invention is obtained by (e) the elution temperature-elution amount curve obtained by the continuous heating elution fractionation method (TREF), as described above.
- TEZ continuous heating elution fractionation method
- the plurality of peak temperatures be between 85 and 100 ° C. The presence of this peak increases the melting point, increases the crystallinity, and improves the heat resistance and rigidity of the compact.
- the method of measuring TREF is as follows. First, add the sample to ODCB to which an antioxidant (eg, butylhydroxytoluene) has been added so that the sample concentration is 0.05% by weight, and heat and dissolve at 135 ° C. Inject 5 ml of this sample solution into a column filled with glass beads, cool to 25 ° C at a cooling rate of 0.1 ° Q, and deposit the sample on the surface of the glass beads. Then, while flowing ODCB into this column at a constant flow rate, while elevating the column temperature at a constant rate of 50 0 C / hr, sequentially to elute the sample.
- an antioxidant eg, butylhydroxytoluene
- the concentration of the sample eluted in the solvent is continuously detected by measuring the absorption of the asymmetric stretching vibration of methylene at the wave number of 2925 cm " 1 with an infrared detector. Quantitative analysis of the concentration of ethylene (co) polymer to determine the relationship between elution temperature and elution rate You.
- changes in the elution rate with respect to temperature changes can be continuously analyzed with a very small amount of sample, so that relatively fine peaks that cannot be detected by the fractionation method can be detected.
- X is less than 2% by weight, preferably less than 1% by weight
- the amount X of the ODCB-soluble component at 25 ° C is measured by the following method. Heat 0.5 g of the sample in a 20 ml ODCB at 135 ° C for 2 hours, dissolve the sample completely, and cool to 25 ° C. After leaving this solution at 25 ° C overnight, filter with a Teflon filter and collect the filtrate. This filtrate, which is a sample solution, is measured for the absorption peak intensity around 2925 cm- 1 of the asymmetric stretching vibration of methylene using an infrared spectrometer, and the sample concentration is calculated using a calibration curve created in advance. From this value, the ODCB soluble content at 25 ° C can be determined.
- the ODCB-soluble matter at 25 ° C is a high branching component and a low molecular weight component contained in the ethylene (co) polymer. It is desirable that this content be low because it causes problems and blocking of the inner surface of the molded product.
- This linear ethylene (co) polymer ( ⁇ -2) has a narrow molecular weight distribution and composition distribution, so it has high mechanical strength, excellent heat sealing properties, anti-blocking properties, and heat resistance. A good polymer.
- This linear ethylene (co) polymer (II-2) is particularly preferably polymerized with the following catalysts a1 to a4.
- Me 1 represents zirconium, titanium, or hafnium
- R 1 and R 3 each represent a hydrocarbon group having 1 to 24 carbon atoms or a trialkylsilyl group
- R represents a 2,4-pentanedionato ligand or a derivative thereof.
- X 1 represents a halogen atom such as fluorine, iodine, chlorine and bromine
- p, q and r each represent 0 ⁇ p ⁇ 4, 0 ⁇ q ⁇ 4, 0 ⁇ r ⁇ 4, 0 p + q + r ⁇ 4 are integers that satisfy the range.
- a2 A compound represented by the general formula Me 2 R 4 m (OR 5 ) n X 2 z — m — n .
- Me 2 is an element of Groups I to III of the periodic table
- R 4 and R 5 are each a hydrocarbon group having 1 to 24 carbon atoms
- X 2 is a halogen atom or a hydrogen atom (provided that X 2 is a hydrogen atom
- z is the valence of Me 2
- m and n are 0 z, 0 ⁇ n, respectively.
- a3 Organic cyclic compound having a conjugated double bond.
- a4 Modified organoaluminoxy compound and / or boron compound containing Al—O—A1 bond.
- Me 1 represents zirconium, titanium, or hafdium, and a plurality of them can be used, but it is particularly preferable that the copolymer contains zirconium having excellent weather resistance.
- the hydrocarbon group having 1 to 24 carbon atoms of R 1 and R 3 preferably has 1 to 12 carbon atoms, and more preferably 1 to 8 carbon atoms.
- alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group and butyl group; alkenyl groups such as vinyl group and aryl group; phenyl group, tolyl group, xylyl group, mesityl group, indenyl group and naphthyl group
- an aralkyl group such as a benzyl group, a trityl group, a phenethyl group, a styryl group, a benzhydryl group, a phenylbutyl group and a neophyl group. These may have branches.
- Examples of the compound represented by the general formula of the above catalyst component al include tetramethyl zirconium, tetraethyl zirconium, tetrabenzyl zirconium, tetrapropoxy zirconium, tripropoxy monochloro zirconium, dipropoxy dichloro zirconium, tetrabutoxy.
- Zirconium, zirconium tributoxymonochloride, zirconium dibutoxydicrochlor, tetrabutoxytitanium, tetrabutoxyhafnium, etc. are particularly preferred.
- Zr (OR) 4 compounds such as tetrapropoxypoxyzirconium and tetrabutoxyzirconium are preferred, and two or more of these are preferred. Mixing may be used.
- 2,4-pentanedionato ligand of R 2 and derivatives thereof include tetra (2,4-pentanedionato) zirconium, tri (2,4-pentanedionato) chloride zirconium, di (2,4 —Pentanedionato) dichloride zirconium, (2,4-pentanedionato) trichloride, di (2,4-pentanedionato) jetxide zirconium, di (2,4—pentanedionato) di-n-propoxide zirconium, di (2 , 4-pentanedionato) g-n-butoxide zirconium, di (2,4-pentanedionato) dibenzyldiruconium, di (2,4-pentanedionato) dineophilzirconium, di (2,4-pentanedionato) di-1 n-butoxide zirconium and the like.
- benzoylmethanato ligand and the benzoylacetonato ligand and their derivatives include tetra (dibenzoylmethanato) zirconium and di (dibenzoylmethanato) jetoxide zirconium. , Di (dibenzoylmethanato) di-n-propoxydido zirconium, di (benzoyl acetonato) jetoxide zirconia, di (dibenzoyl acetonato) di-n-propoxide zirconium, Di (benzoylacetonato) di-n-butoxide zirconium.
- catalyst components a 2 the general formula M e 2 R 4 m (OR 5) D X 2 Z - wherein M e 2 of the compound represented by n is the Periodic Table I through - m; the III group element These include lithium, sodium, potassium, magnesium, calcium, zinc, boron, aluminum and the like.
- R 4 and R 5 are each a hydrocarbon group having 1 to 24 carbon atoms, preferably 1 to 12 carbon atoms, and more preferably 1 to 8 carbon atoms; specifically, methyl, ethyl, and propyl
- An alkyl group such as a benzyl group, an isopropyl group or a butyl group; an alkenyl group such as a bier group or an aryl group; an aryl group such as a phenyl group, a tolyl group, a xylyl group, a mesityl group, an indenyl group or a naphthyl group;
- Examples include an aralkyl group such as a jyl group, a trityl group, a phenyl group, a styryl group, a benzhydryl group, a phenylbutyl group, and a neophyl group.
- X 2 represents a halogen atom or a hydrogen atom such as fluorine, iodine, chlorine and bromine.
- X 2 is a hydrogen atom
- Me 2 is limited to a group III element of the periodic table exemplified by boron, aluminum and the like.
- Examples of the compound represented by the general formula of the above-mentioned catalyst component a 2 include organic lithium compounds such as methyllithium and ethyllithium; organic magnesium compounds such as dimethylmagnesium, getylmagnesium, methylmagnesium chloride, and ethylmagnesium chloride; dimethylzinc, Organic zinc compounds such as getyl zinc; organic boron compounds such as trimethylborane and triethylporone; trimethylaluminum, triethylaluminum, triiso Butylaluminum, trihexylaluminum, tridecylaluminum, getylaluminum chloride, ethylaluminum dichloride, ethylaluminum sesquik mouth ride, getylaluminum ethoxide, jiethylaluminum hydride Derivatives such as organoaluminum compounds are exemplified.
- the organic cyclic compound having a conjugated double bond of the catalyst component a3 includes one or two rings that are cyclic and have two or more, preferably two to four, more preferably two to three conjugated double bonds.
- Organic silicon substituted with hydrogen residue or alkali metal salt (sodium or lithium salt) Compounds are included. Particularly preferably, those having a cyclopentagen structure in any of the molecules are desirable.
- Examples of the preferred compounds include cyclopentadiene, indene, azulene, and alkyl, aryl, aralkyl, alkoxy, and aryloxy derivatives thereof. Further, a compound obtained by bonding (crosslinking) these compounds via an alkylene group (the number of carbon atoms is usually 2 to 8, preferably 2 to 3) is also suitably used.
- the organic gay compound having a cyclic hydrocarbon group can be represented by the following general formula.
- A represents the above-mentioned cyclic hydrogen group exemplified by a cyclopentagel group, a substituted cyclopentagel group, an indenyl group, and a substituted indenyl group
- R represents a methyl group, an ethyl group, a propyl group, Alkyl such as isopropyl group and butyl group
- An alkoxy group such as a methoxy group, an ethoxy group, a propoxy group or a butoxy group
- an aryl group such as a phenyl group; an aryloxy group such as a phenoxy group; an aralkyl group such as a benzyl group
- It preferably represents 1 to 12 hydrocarbon residues or hydrogen
- L is 1 L ⁇ 4, preferably 1 ⁇ L 3.
- organic cyclic hydrocarbon compound of the component a3 examples include cyclopentadiene, methyl / lecyclopentadiene, ethynolecyclopentadiene, 1,3-dimethylcyclopentadiene, indene, and 4-methyl-1 _ C4-C24 cyclopolyenes or substituted cyclopolyenes, such as indene, 4,7-dimethylindene, cycloheptatriene, methylcycloheptatriene, cyclooctatetraene, azulene, phnoleolene, methinolefluorene, monocyclopentageninole Examples include silane, biscyclopentadenyl / lesilane, triscyclopentagenenylsilane, monoindurylsilane, bisindenylsilane, trisindenylsilane and the like.
- the modified organoaluminoxy compound and / or boron compound containing the A 1 -0-A 1 bond of the catalyst component a 4 is reacted with an alkylaluminum compound and water to form a modified organic compound usually called aluminoxane.
- An aluminum compound is obtained, which usually contains 1 to 100, preferably 1 to 50 A 1 -0-A 1 bonds in the molecule.
- the modified organoaluminum oxy compound may be linear or cyclic.
- boron compounds examples include triethylaluminum tetra (pentafluorophenyl) borate (triethylammoniumtetra (pentaphlenophenyl) borate) and tetra (pentafluoromethylphenyl) borate. Mouth fernole) borate, butamonium tetra (pentafluorophenyl) borate, ⁇ , ⁇ -dimethylammonium tetra (pentafluorophenyl) borate, ⁇ , ⁇ -dimethyl aniline tetra (pentafluorophenyl) Borate and the like.
- the reaction between organic aluminum and water is usually carried out in an inert hydrocarbon. That As the active hydrocarbon, aliphatic, alicyclic, and aromatic hydrocarbons such as pentane, hexane, heptane, cyclohexane, benzene, toluene, and xylene are preferable.
- the reaction ratio of water to the organoaluminum compound is usually from 0.25Z1 to: l.2Zl, preferably from 0.5 / 1 to: 11.
- the catalyst components a1 to a4 may be used as they are by mixing and contacting them as they are. However, it is preferable that the catalyst components a1 to a4 are used by being supported on an inorganic carrier and / or a particulate polymer carrier (a5).
- the inorganic carrier and the Z or particulate polymer carrier (a5) include a carbonaceous material, a metal, a metal oxide, a metal chloride, a metal carbonate or a mixture thereof, a thermoplastic resin, and a thermosetting resin.
- Suitable metals that can be used for the inorganic carrier include iron, aluminum, nickel, and the like.
- S i 0 2 - a 1 2 0 3, S i 0 2 - V 2 0 5, S i 0 2 - T i 0 2, S i 0 2 -M gO include S i 0 2 _C r 2 0 3 or the like.
- These S i 0 2 and A 1 2 ⁇ 3 at least one Ingredients arbitrariness preferred those composed mainly of selected from the group consisting of among.
- thermoplastic resin any of a thermoplastic resin and a thermosetting resin can be used.
- the above-mentioned inorganic carrier and Z or particulate polymer carrier can be used as they are, but preferably, as a pretreatment, these carriers are treated with an organoaluminum compound or a modified organoaluminum oxy group containing an A 1 —O—A 1 bond. After contact treatment with a compound or the like, it can be used as component a5.
- the linear ethylene (co) polymer (P-3) of the present invention is cyclopentadiene.
- a meta-acene catalyst containing a ligand having a skeleton and a transition compound belonging to Group IV of the periodic table
- the molecular weight distribution is in the range of 1.5 to 5.0, more preferably 1.5 to 4.5, and still more preferably 1 to 4.5. More preferably, it is in the range of 8 to 4.0, particularly preferably 2.0 to 3.0.
- the composition distribution parameter is preferably 1.01 to: I.2, more preferably 1.02 to: I.18, More preferably, it is in the range of 1.03 to 1.17.
- the ethylene homopolymer or copolymer (P-3) formed by the meta-acene catalyst is a transition metal compound belonging to Group IV of the periodic table containing a ligand having a cyclopentagel skeleton and, if necessary, a cocatalyst. It is obtained by co-polymerizing ethylene and haloolefin having 3 to 20 carbon atoms in the presence of a catalyst containing an organic aluminum compound and a carrier.
- the genenyl skeleton includes a cyclopentagenenyl group, a substituted cyclopentagenenyl group, and the like.
- Examples of the substituted cyclopentenyl group include a hydrocarbon group having 1 to 10 carbon atoms, a silyl group, a silyl-substituted alkyl group, a silyl-substituted aryl group, a cyano group, a cyanoalkyl group, a cyanoaryl group, a halogen group, and a haloalkyl group.
- a substituted cyclopentagenyl group having at least one substituent selected from halosilyl groups and the like.
- the substituted cyclopentenyl group may have two or more substituents, and the substituents may be bonded to each other to form a ring.
- Examples of the hydrocarbon group having 1 to 10 carbon atoms include an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group and the like. Specifically, a methyl group, an ethyl group, an ⁇ -propyl group, an isopropyl group Group, ⁇ -butyl group, isobutyl group, sec-butyl group, t-butyl group, pentyl group, hexyl group, octyl group, 2 —Alkyl groups such as ethylhexyl group and decyl group; cycloalkyl groups such as cyclopentyl group and cycloalkyl group; aryl groups such as phenyl group and tolyl group; aralkyl groups such as benzyl group and neophyl group. Among these, an alkyl group is preferable.
- Preferred examples of the substituted cyclopentagenenyl group include a methylcyclopentagenenyl group, an ethylcyclopentadienyl group, an n -hexylcyclopentadienyl group, a 1,3-dimethylcyclopentadienyl group, Specific examples include a 3-n-butylmethylcyclopentapentaenyl group and a 1,3-n-propylmethylethylcyclopentagenenyl group.
- a cyclopentagenenyl group substituted by an alkyl group having 3 or more carbon atoms is preferable, and a 1,3-substituted cyclopentenyl group is particularly preferable.
- the substituted cyclopentagenenyl group includes an indenyl group, a hydrocarbon group having 1 to 8 carbon atoms (such as an alkyl group), and the like.
- a substituted naphthyl group substituted by a substituent such as a substituted indenyl group, a naphthyl group, a hydrocarbon group having 1 to 8 carbon atoms (such as an alkyl group), a hydrocarbon group having 1 to 8 carbon atoms
- a substituted fluorenyl group substituted by a substituent such as (alkyl group) is a preferred example.
- transition metal of the transition metal compound of Group IV of the periodic table containing a ligand having a cyclopentagenenyl skeleton examples include zirconium, titanium, hafnium and the like, with zirconium being particularly preferred.
- the transition metal compound generally has 1 to 3 ligands having a cyclopentagenyl skeleton, and when it has 2 or more ligands, they may be bonded to each other by a crosslinking group.
- examples of such a crosslinking group include an alkylene group having 1 to 4 carbon atoms, an alkylsilanediyl group, a silanediyl group, and the like.
- Representative ligands other than those having a cyclopentagel skeleton in the transition metal compounds of Group IV of the periodic table include hydrogen and carbon atoms of 1 To 20 hydrocarbon groups (such as an alkyl group, an alkenyl group, an aryl group, an alkylaryl group, an aralkyl group, and a polyenyl group), a halogen, a methalkyl group, and a methacryl group.
- hydrocarbon groups such as an alkyl group, an alkenyl group, an aryl group, an alkylaryl group, an aralkyl group, and a polyenyl group
- dialkylmetacenes bis (cyclopentadienyl) titanium dimethyl, bis (cyclopentadienyl) titanium diphenyl, bis (cyclopentadienyl) zirconium dimethinole, bis (cyclopentadienyl) zirconium diphenyl, Bis (cyclopentagenenyl) no, phenyldimethinolate, bis (cyclopentadienyl) hafnium diphenyl and the like.
- monoalkylmetacenes examples include bis (cyclopentagel) titanium methyl chloride, bis (cyclopentadienyl ⁇ titanium phenynochloride, bis (cyclopentagel) zirconium methyl chloride, and bis (cyclo (Pentagenil) Jil Conjum Fukuruku Ride.
- pentamethycyclopentadiene / retitanium trichloride which is a monocyclized pentadenyl zoretitanocene, pentaethynolecyclopentadenyltitanium trichloride, bis (pentamethylcyclopentadenyl) titanium diphenyl, and the like can be mentioned.
- pentamethycyclopentadiene / retitanium trichloride which is a monocyclized pentadenyl zoretitanocene
- pentaethynolecyclopentadenyltitanium trichloride pentaethynolecyclopentadenyltitanium trichloride
- bis (pentamethylcyclopentadenyl) titanium diphenyl and the like
- Examples of the substituted bis (cyclopentagenenyl) titanium compound include bis (indul) titanium diphenyl or dichloride, bis (methylcyclopentagenenyl) titanium diphenyl or dichloride, dialkyl, trialkyl, tetraalkyl or pentaalkylcyclopentadiene.
- Examples of the titanium compound include bis (1,2-dimethylcyclopentagen) titanium diphenyl or dichloride, and bis (1,2-dimethylcyclopentagenenyl) titanium diphenyl or dichloride or other chloride.
- Dihalide complex, silicon, amine or carbon-linked cyclopentadiene complex includes dimethylsilyldicyclopentapentaenyltitanium diphenyl or dichloride, methylenedicyclopentadiene Cycloalkenyl titanium diphenyl or Jikurorai de include other dihalide complexes.
- zirconocene compounds include pentamethylcyclopentagenyl zirconium trichloride, pentaethylcyclopentapentazirconium trichloride, bis (pentamethylcyclopentageninole) zirconium diphenyl, and alkyl-substituted cyclopentagen.
- dialkyl, trialkyl, tetraalkyl or pentaalkylcyclopentagen examples include bis (pentamethylcyclopentagenenyl) zirconium dimethyl and bis (1,2-dimethylcyclyl).
- Lopen Tagetessian (Lopen Tagetes) Zirconium dimethyl, and their dihalide complexes, silicon, and carbon-linked cyclopentadiene complexes include dimethylsilinoresic-open-mouth pentageninoresinoleconidimethyl dimethyl or dihalide, methylenedicyclopentagenyl Zirconium dimethyl or dihalide, methylene dicyclopentagenyl zirconium dimethyl or dihalide, and the like.
- Still other meta-opening compounds include bis (cyclopentagenenyl) hafium dichloride, bis (cyclopentagenenyl) hafnium dimethyl, bis (cyclopentajenyl) vanadium dichloride and the like.
- transition metal compounds belonging to Group IV of the Periodic Table include a ligand having a cyclic pentagenenyl skeleton represented by the following chemical formula, and other ligands and a transition metal atom forming a ring.
- C p is the ligand having the cyclopentagenenyl skeleton
- X is hydrogen, halogen, an alkyl group having 1 to 20 carbon atoms, an arylsilyl group, - represents Ruokishi group, alkoxy group, amino de group, a Shiriruokishi group
- Z is one O—, one S—, —NR one, one PR—or OR, selected from the group consisting of SR, NR 2 , and PR 2 2 Indicates a neutral neutral ligand.
- R is hydrogen or an alkyl group having 1 to 20 carbon atoms, an aryl group, a silyl group, a halogenated alkyl group, a halogenated aryl group, or two or more of Y, ⁇ , or both ⁇ and ⁇
- ⁇ represents a transition metal atom of Group IV of the periodic table.
- Examples of the compound represented by this chemical formula include (t-butylamide) (tetramethylcyclopentadene / l) -1,2-ethanediylzirconium dichloride, (t-butylamide) (tetrabutylamide) (Methylcyclopentagenenyl) — 1,2-ethanediyl titanium dichloride, (methyl amide) (tetramethynorethic pentadene / le)-1,2,1 ethanedi / resinolecondylamide, ( Methylamide) (Tetramethylcyclopentadenyl) 1,1,2-ethanediyl titanium dichloride, (Ethyl amide) (Tetramethylcyclopentadentenyl) Methylene tan dichloride, (t-Butyl amide) Dimethyl (Tetramethylcyclopentagenenyl) silane titanium dichloride,
- the cocatalyst referred to in the present invention refers to a cocatalyst capable of effectively using the transition metal compound of Group IV of the periodic table as a polymerization catalyst or balancing ionic charges in a catalytically activated state.
- Examples of the co-catalyst used in the present invention include benzene-soluble aluminoxane, benzene-insoluble organic aluminumoxy compound, boron compound, lanthanide salts such as lanthanum oxide, and tin oxide of the organic aluminumoxy compound. Of these, aluminoxanes are most preferred.
- the catalyst may be used by being supported on a carrier of an inorganic or organic compound.
- the carrier is preferably a porous oxide of an inorganic or organic compound.
- organic aluminum compounds examples include trianolalkyl aluminum such as triethylaluminum and triisopropinolealuminum; dialkylaluminum normal; alkylaluminum sesquihalide; alkylaluminum dinolide; alkylaluminum hydride; Side.
- trianolalkyl aluminum such as triethylaluminum and triisopropinolealuminum
- dialkylaluminum normal alkylaluminum sesquihalide
- alkylaluminum dinolide alkylaluminum hydride
- Side Side.
- the process for producing the linear ethylene (co) polymers of the present invention is carried out by a gas phase polymerization method, a slurry polymerization method, a solution polymerization method or the like in the presence of the above-mentioned catalyst, which does not substantially contain a solvent.
- aliphatic hydrocarbons such as butane, pentane, hexane and heptane
- aromatic hydrocarbons such as benzene, toluene and xylene
- oils such as cyclohexane and methylcyclohexane It is produced in the presence or absence of an inert hydrocarbon solvent exemplified by a cyclic hydrocarbon or the like.
- the polymerization temperature is usually 15 to 350 ° C, preferably 20 to 200 ° C, and more preferably 50 to 110 ° C.
- normal pressure ⁇ 70 kg / cm 2 G preferably normal pressure ⁇ 2 OKG N m 2 G
- the case of high pressure process usually 1 500 kg / cm 2 G hereinafter is preferable.
- the polymerization time is usually about 3 minutes to 10 hours, preferably about 5 minutes to 5 hours in the case of the low and medium pressure method. In the case of the high-pressure method, it is usually 1 minute to 30 minutes, preferably about 2 minutes to 20 minutes.
- the polymerization is not particularly limited to a one-stage polymerization method, but also a two-stage or more multi-stage polymerization method in which polymerization conditions such as hydrogen concentration, monomer concentration, polymerization pressure, polymerization temperature, and catalyst are different from each other.
- polymerization conditions such as hydrogen concentration, monomer concentration, polymerization pressure, polymerization temperature, and catalyst are different from each other.
- the catalyst component at the time of polymerization is substantially free of halogens such as chlorine, the resulting polymer does not contain these halogens, and Excellent in chemical stability and hygiene, suitable for food, hygiene and medical applications.
- halogens such as chlorine
- the resulting polymer does not contain these halogens, and Excellent in chemical stability and hygiene, suitable for food, hygiene and medical applications.
- when applied to packaging materials and containers for electric parts, electric wire members, and microwave ovens they have the characteristic that the generation of ⁇ in peripheral metal parts and the like is suppressed.
- another polyolefin-based resin is added to the linear ethylene (co) polymer (P) in order to improve performance such as moldability, adhesiveness, and heat resistance.
- the other polyolefin resin the density 0.9 by the high-pressure radical polymerization 1 ⁇ 0. 94 g / cm 3 Menoretofurore one preparative 0.0 1 :! OO g / 10 min low density polyethylene (Hp LDPE), copolymer of ethylene and vinyl ester such as ethylene monoacetate copolymer, and ethylene such as ethylene monoacrylate copolymer. (Meth) Copolymers of acrylic acid or derivatives thereof, ethylene and ⁇ , / 3 unsaturated power such as copolymers of ethylene and maleic anhydride, rubonic acid or derivatives thereof, ionomers and the like. Further, as an another example, density 0.
- VLDPE very low density polyethylene
- HDPE high-density polyethylene
- PP polypropylene-based resin
- H p LDPE is preferred.
- an epoxidized resin having two or more epoxy groups in a molecule and having a molecular weight of 3,000 or less as the component ( ⁇ ⁇ ), an epoxidized resin having two or more epoxy groups in a molecule and having a molecular weight of 3,000 or less. Contains the compound.
- the molecular weight of the epoxy compound be not more than 300, and more preferably not more than 150. If the molecular weight exceeds 300, the adhesive strength with other layers will also be insufficient.
- Epoxy compounds include diglycidyl phthalate, diglycidyl isophthalate, diglycidyl terephthalate, diglycidyl adipic ester, trimethylolpropane polyglycidyl ether, polyglycerol polyglycidyl ether, pentaerythritol polyglycidyl ether, Butanediol / regisglycidyl ether, hydrogenated bisphenol / le-A diglycidyl ether, phenol-novolak polyglycidyl ether, epoxidized vegetable oil and the like. Among them, epoxidized vegetable oils are most preferable for laminates for packaging materials such as foodstuffs because of their safety.
- the epoxidized vegetable oil is obtained by epoxidizing an unsaturated double bond of a natural vegetable oil using a peracid or the like.
- Epoxidized soybean oil, epoxidized olive oil, epoxidized linseed oil, epoxidized Safflower oil, epoxidized corn oil and the like can be mentioned.
- the present invention has a functional group that reacts with an epoxy group depending on the purpose and application. It is preferable to further compound a compound or olefin polymer as the component (III). Although this component ( ⁇ ⁇ ) is not an essential component, its addition can further improve the adhesiveness without ozone treatment.
- the functional group that reacts with the epoxy group it is preferable to have at least one of an acid anhydride group, a carboxyl group, and a metal carboxylate group in the molecule. These may be compounds having a functional group, but are preferably introduced into the polyolefin molecule by a copolymerization method or a grafting method.
- Examples of the olefin copolymer having a functional group that reacts with an epoxy group produced by a copolymerization method include a multi-component copolymer of ethylene and a compound copolymerizable with ethylene.
- Compounds copolymerizable with ethylene used in the copolymerization method or the grafting method include ct, j3-unsaturated carboxylic acid such as (meth) acrylic acid, and a, J3-unsaturated such as sodium (meth) acrylate.
- carboxylic acid metal salts, and unsaturated carboxylic anhydrides such as maleic anhydride, itaconic anhydride and citraconic anhydride.
- Other examples include, but are not limited to, hydroxy group-containing compounds such as hydroxyethyl (meth) acrylate, (meth) aryl alcohol, and unsaturated amino compounds such as arylamine.
- a multi-component copolymer obtained by copolymerizing (meth) acrylate, butyl acetate, butyl alcohol ester, or the like can be used.
- two or more copolymers of these compounds and ethylene can be used in combination.
- Polyolefins having a functional group capable of reacting with an epoxy group introduced by graft modification are generally produced by allowing polyolefin, a radical generator, and a modifying compound to act in a molten or solution form.
- Polyolefins for graft modification include high-pressure low-density polyethylene, linear low-density polyethylene, high-density polyethylene, homopolymers such as polypropylene, propylene-ethylene copolymer, propylene-butene-11 copolymer, and ethylene Butyl acetate copolymer, ethylene mono (meth) acrylate Examples include copolymers such as steal copolymers, ethylene monoacetate butyl- (meth) acrylate copolymers, and mixtures thereof.
- a copolymer having an acid or an acid anhydride group capable of reacting with an epoxy group such as an ethylene- (meth) acrylate-maleic anhydride copolymer, was further graft-modified.
- an epoxy group such as an ethylene- (meth) acrylate-maleic anhydride copolymer
- the type of radical generator used for the modification is not particularly limited, but generally, an organic peroxide is used, for example, di-t-butyl peroxide, dicumyl peroxide, t-butyl cumyl peroxide, etc. Dialkyl peroxides, di-silver oxides such as i-butyl peroxide, etc., peroxides such as di-i-propyl peroxy dicarbonate, etc., and powders such as t-butyl peroxy pivalate.
- an organic peroxide for example, di-t-butyl peroxide, dicumyl peroxide, t-butyl cumyl peroxide, etc. Dialkyl peroxides, di-silver oxides such as i-butyl peroxide, etc., peroxides such as di-i-propyl peroxy dicarbonate, etc., and powders such as t-butyl peroxy pivalate.
- Ketone peroxides such as oxyesters and methyl ethyl ketone peroxide; peroxyketals such as 1,1-bis-t-butylvinylcyclocyclohexane; and hydrids such as t-butyl hydroperoxide.
- Peroxides are exemplified. Among them, dicumyl peroxide, 2,5-dimethyl-1,2,5-bis (t-butylperoxy) hexane, 1,3-bis (2-t-butylperoxyisopropyl) benzene, benzoyl peroxide and the like. preferable.
- the same unsaturated compound as the compound copolymerizable with ethylene is used.
- the amount of the compound or functional polymer having a functional group which reacts with the epoxy group, which is the component (III) of the present invention, is 5% based on the total of the component (I), the component ( ⁇ ) and the component (I II). It is less than 0% by weight, preferably 2 to 25% by weight, particularly preferably 5 to 20% by weight. If the content is more than 50% by weight, the adhesive strength is improved, but the mechanical properties, optical properties, and thermal properties based on the ethylene (co) polymer of the component P are reduced, and the cost is increased.
- the polyolefin resin composition of the present invention includes an organic or inorganic filler, a tackifier, an antioxidant, an antifogging agent, an organic or inorganic pigment, a dispersant, a nucleating agent, a foaming agent, a flame retardant, a crosslinking agent, and an ultraviolet ray.
- Inhibitors, unsaturated and / or saturated fatty acids Known additives such as lubricants such as metal salts of mid, unsaturated and / or saturated higher fatty acids and the like can be added to the extent that the characteristics of the present invention are not substantially impaired.
- a lubricant, a tackifier, and an inorganic filler are preferably used for further improving workability.
- the lubricant examples include fatty acid amides such as oleic acid amide, stearic acid amide, and erlic acid amide; and fatty acids such as stearic acid monoglyceride, stearic acid diglyceride, oleic acid monoglyceride, and oleic acid diglyceride.
- fatty acid amides such as oleic acid amide, stearic acid amide, and erlic acid amide
- fatty acids such as stearic acid monoglyceride, stearic acid diglyceride, oleic acid monoglyceride, and oleic acid diglyceride.
- Glycerin ester compounds and their polyethylene glycol adducts and the like can be mentioned.
- Inorganic fillers include light and heavy calcium carbonate, talc, silica, zeolite, magnesium carbonate, feldspar and the like.
- tackifier examples include polybutene, castor oil derivatives, sorbitan fatty acid esters, rosin and rosin derivatives, petroleum resins and tackifiers such as hydrogenated products thereof, rubbers and the like. These tackifiers can be blended in the range of 0.5 to 20 parts by weight.
- pigment a variety of commercially available colorant master batches are preferably used in addition to bonbon black and titanium white.
- additives for obtaining appropriate slip properties, antistatic properties and anti-fogging properties can be added.
- sorbitan monoester sorbitan monolaurate, sorbitan monobennate, sorbitan monostearate, and the like as sorbitan fatty acid esters; glycerin monoolate, glycerin monostearate, glycerin monolaurate as glycerin fatty acid esters , Glycerin monobenzene, etc .; as polyglycerin fatty acid esters, diglycerin monolaurate, diglycerin monostearate, diglycerin monoolate, tetraglycerin monooleate, tetraglycerin monostearate, hexane Glycerin monolaurate, hexaglycerin monolaurate, decaglycerin monolaurate, decaglycerin monostearate, decaglycerin monooleate, etc., and polyhydric alcohol fats Fatty acid esters and their ethylene Oxide adducts
- additives may be the force amount to be used alone or as a mixed composition usually 0. 0 1 to 0.5 wt 0/0, preferably 0. 0 5 to 0.3 wt. / 0 . If the amount added is less than 0.01% by weight, the modifying effect of the additive is not sufficient, and the amount is 0.5% by weight. If the ratio exceeds / 0 , the amount of the additive protruding from the surface is large, and stickiness is caused. As a result, the workability is remarkably reduced.
- the above-mentioned components are mixed by a Henschel mixer, a ribbon mixer, etc., and the mixture is further subjected to an open roll, a Banbury mixer, a kneader, an extruder, etc.
- the method of kneading with kneading may be appropriately used.
- the melt-kneading temperature is usually 110 to 350. C, 120 to 300 ° C. is preferable from the viewpoint of easy handling.
- a second aspect of the present invention is a laminate including the polyolefin-based resin composition and a substrate.
- the laminate of the present invention will be described in detail.
- the polyolefin-based resin composition of the present invention has good adhesiveness, its properties can be particularly exhibited when it is used as a laminate by laminating with various substrates.
- the substrate include a plastic film or sheet, a board, paper, a nonwoven fabric or a woven fabric made of synthetic resin fiber or natural fiber, a metal foil, and the like.
- Various properties such as barrier compatibility, heat resistance, flexibility, rigidity, transparency, water resistance, printability, scratch resistance, and tear resistance can be imparted.
- a plastic film or a sheet, a metal foil or the like is preferable as a base material of a packaging material or the like.
- the plastic film or sheet, metal foil, etc. include polyamide 6, polyamide 66, polyamide 12, polyamide such as modified polyamide, polyethylene terephthalate, polybutylene terephthalate, and the like.
- Polyester such as polytechnic lennaphthalate and ethylene vinyl acetate
- thermoplastic resin films or sheets such as polymerization experience products (EVOH), oriented polypropylene (OPP), oriented polyamide (ONY), and oriented polyethylene terephthalate (OPET), silicon oxide, aluminum, and aluminum oxide
- EVOH polymerization experience products
- OPP oriented polypropylene
- ONY oriented polyamide
- OPET oriented polyethylene terephthalate
- silicon oxide aluminum
- aluminum oxide aluminum oxide
- a resin film on which a thin film such as aluminum or the like is deposited, or a metal foil such as iron or aluminum can be used.
- These substrates may be used after being printed, or may be subjected to a surface treatment such as a corona discharge treatment, a flame treatment, a plasma treatment, or an ultraviolet treatment as necessary.
- polyamide, polyester, saponified ethylene monovinyl acetate copolymer films or sheets, and aluminum foil are used in a large amount in packaging materials and the like.
- the material exhibits particularly good adhesion to these substrates.
- the laminate may be provided with various layers in addition to the polyolefin-based resin composition layer and the base material layer.
- HrX Polyolefin resin composition layer of the present invention
- PET Polyethylene terephthalate
- EVOH Saponified ethylene vinyl acetate copolymer
- PA Polyamide resin
- PVDC Polyvinylidene chloride Resin
- OPP Oriented polypropylene
- a third aspect of the present invention is a method for producing a laminate by extrusion laminating the polyolefin-based resin composition on a substrate.
- Extrusion laminating here means heating, melting, extruding a thermoplastic resin into a film from a T-die using an extruder, placing it on a substrate such as various films and foils, and bonding it to the film. This method is performed widely in the field of packaging materials and release paper, taking advantage of the productivity.
- the molding temperature in extrusion lamination molding is generally in the range of 200 to 300 ° C in the case of conventional LDLDPE and mLLDPE using a catalyst, from the viewpoint of moldability.
- the resin composition can be molded in the temperature range of 200 to 350 ° C, can be molded in a wide range from low-temperature molding to high temperature, and can improve high-speed moldability without reducing adhesive strength. .
- ozone treatment that oxidizes the surface of the molten film by blowing air containing ozone onto the molten film
- corona discharge treatment on the adhesive side of the base material immediately before pressing the molten film plasma Adhesion strength can be further improved by performing a pre-treatment such as a treatment or a frame treatment or a combination of the ozone treatment and the surface treatment.
- a pre-treatment such as a treatment or a frame treatment or a combination of the ozone treatment and the surface treatment.
- a strong adhesive strength can be obtained in a wide range from a low temperature range (200 to 300 ° C.) to a high temperature range (300 ° C. or more). is there.
- a low temperature range 200 to 300 ° C.
- a high temperature range 300 ° C. or more.
- the surface of the molten film is sufficiently oxidized, and the epoxy compound intervenes therein, thereby making it possible to greatly improve the adhesive strength to the substrate.
- one of the features of the present invention is that since an epoxy compound having a low molecular weight of 300 or less is present at the bonding interface, the bonding strength (water resistance) under high humidity is greatly improved. Therefore, in the extrusion laminating method in the low temperature range in the present invention, the ozone treatment method which can obtain sufficient surface oxidation is a particularly advantageous method.
- some substrates have been subjected to corona discharge treatment in advance to improve adhesion, but some substrates do not have sufficient adhesive strength. Therefore, by performing surface treatment on the bonding surface of the base material in-line during extrusion lamination, the bonding strength can be further improved.
- the surface treatment method corona discharge treatment, flame treatment, plasma treatment, electron beam treatment, ultraviolet treatment and the like are suitably used. Among these, corona discharge treatment is preferable in terms of cost.
- corona discharge is performed by applying a high voltage in a state where the base material is passed between the insulating roll and the electrode. It reacts and is activated, and a commercially available corona discharge treatment machine can be used.
- the corona treatment amount discharge density
- the corona treatment amount is preferably ⁇ ⁇ or more for 1 OW, and more preferably 20 to 20 OW minutes m 2 . is there. If the treatment amount is 10 W or less Zm 2 , a strong improvement in adhesive strength cannot be obtained. Further, by subjecting the obtained laminate to a heat treatment at a temperature of 40 ° C. or higher and a temperature lower than the melting point of the resin, a stronger adhesive strength can be obtained.
- DSC measurement Form a sheet of thickness 0.2 with a hot press, punch out about 5 mg of sample, hold at 230 ° C for 10 minutes, cool down to 0 ° C in 2 ° CZ minutes, then again The temperature was raised to 170 ° C in 10 ° C / minute, and the temperature at the top of the highest temperature peak that appeared was defined as the highest peak temperature Tm.
- High-speed moldability Using a 9 ⁇ (50 rpm) extruder, with a T-die width of 800 thighs and an air gap of 120 T from the T-die to the roll, a molding temperature of 280 ° C in the low temperature range
- the take-up speed was increased at a molding temperature of 305 ° C in the high-temperature range, the stability of the molten film was observed, and the maximum speed that could be used was measured.
- the extruder was used to form a film with a film thickness of 25; zm and a take-off speed of 15 OmZ.
- the coat width on the substrate was measured, and the difference (rise) from the die width was measured.
- Adhesive strength A laminate was produced by laminating on a substrate by an extrusion lamination method under the same conditions as in necking measurement. At this time, using a SORBEX-II ozone generator manufactured by Softal Japan Co., Ltd., ozone was sprayed onto the molten film by a nozzle from the substrate side of the T-die at a concentration of 50 gZm 3 and a flow rate of 3 m 3 / hr from the substrate side of the T-die. Surface oxidation treatment. The obtained laminate is cut into a strip having a width of 15 mm, and the strip is cut at a speed of 30 OmmZ for 180 minutes. Peeling was performed and the strength was measured.
- the base material is a biaxially stretched polyamide film (Oriented Nylon (ONy): “Heart Film Nil 00” manufactured by Toyobo Co., Ltd., width 860 mra, thickness 15 ⁇ m).
- a stretched polyethylene terephthalate film (PET: "Takaku Ho. Riester Film FE2001” manufactured by Nimura Kagaku Kogyo Co., Ltd., width 86 Omm, thickness 12 2 / zm) was used.
- Transparency The haze of a laminate manufactured under the above conditions using a biaxially oriented polypropylene film (OPP) having a width of 860 mm and a thickness of 20 ⁇ m as a substrate was measured. The measurement was based on JIS K7105.
- OPP biaxially oriented polypropylene film
- Acrylic acid 8.5 weight 0/0
- Ethylene / 1-hexene copolymer ( ⁇ '-2) as the component P and epoxidized soybean oil (“0-130 30”, molecular weight 100 0, manufactured by Asahi Denka Co., Ltd.) as the component (II) are used as 0.
- a twin screw extruder with a diameter of 30 was added and melt-kneaded at 200 ° C. using a twin screw extruder with a diameter of 30 to obtain a polyolefin resin composition.
- the obtained resin composition has a T-die width of 800 mm, an air gap of 7 ° 120 mm, a temperature of 280 ° C, and a concentration of 280 ° C on the substrate side of the molten film.
- the laminate was manufactured by extrusion lamination on a substrate while spraying ozone at a flow rate of 3 m 3 / hr with a flow rate of 50 g / m 3 to produce a laminate.
- the obtained laminate exhibited good adhesiveness, and no decrease in adhesive strength was observed in the water resistance test.
- Example 2 A polyolefin-based resin composition was prepared in the same manner as in Example 1, except that 1.0% by weight of epoxidized soybean oil was added as the component (II), and a laminate was produced. This composition also showed good moldability, and both adhesion and transparency were good.
- a polyolefin-based resin composition was prepared in the same manner as in Example 1 except that ethylene 'butene-11 copolymer (—'- 3) was used as the component ⁇ , and a laminate was produced.
- This composition also had good moldability and good adhesiveness and transparency.
- Component ([pi) as epoxidized linseed oil (molecular weight 1 0 0 0), except that the addition of 0.5 by weight 0/0 papermaking adjusted to to a polyolefin resin composition as in Example 1, the laminate Manufactured.
- This composition also showed good moldability, and both adhesion and transparency were good.
- Example 1 As a component (), 0.5% by weight of epoxidized soybean oil was added to a composition in which the weight ratio of P'-2 to the component (III-11) was 80:20. As in Example 1, the composition was melt-kneaded to obtain a composition. A laminate was produced in the same manner as in Example 1 except that the obtained composition was not subjected to ozone treatment. This product also exhibited good moldability and excellent adhesion and transparency without ozone treatment.
- Example 1 0.5% by weight of epoxidized soybean oil is added as a component ( ⁇ ) to a composition in which the weight ratio of P'-2 and the component ( ⁇ -2) is 80:20. Then, as in Example 1, the composition was melt-kneaded to obtain a composition. A laminate was manufactured in the same manner as in Example 1 except that ozone treatment was not performed using the obtained composition. Even in this case, good moldability and excellent adhesiveness and transparency were exhibited without ozone treatment.
- Molding was carried out in the same manner as in Example 1 except that an ethylene copolymer ( ⁇ ′) was used as the component P. Although the transparency was slightly inferior, good moldability and adhesive strength were obtained with this composition, and the water resistance was also good.
- ⁇ ′ ethylene copolymer
- the molding was performed in the same manner as in Example 1 except that the base material was corona treated in-line with an electrode width of 600 mm and an output of 8 kW using a corona collector manufactured by Toyo Villa Co., Ltd. Stronger adhesion was obtained by using corona treatment. Moldability and water resistance were also good.
- Molding was carried out in the same manner as in Example 1 except that the molding temperature was set at 305 ° C. By adding the epoxy compound, molding was possible even at a temperature of 300 ° C. or more, and good adhesive strength was obtained.
- Molding was carried out in the same manner as in Example 2 except that the molding temperature was set at 305 ° C. Also in this case, the molten film was stable, and both the transparency and the adhesive strength were good.
- the molding was carried out in the same manner as in Example 3, except that the molding temperature was set at 305 ° C. Also in this case, the molten film was stable, and both the transparency and the adhesive strength were good.
- the molding was carried out in the same manner as in Example 4 except that the molding temperature was set at 305 ° C. Also in this case, the molten film was stable, and both the transparency and the adhesive strength were good.
- Example 14 The molding was carried out in the same manner as in Example 5, except that the molding temperature was set at 305 ° C. In this case as well, the molten film was stable, and although the transparency was slightly reduced, the adhesive strength was further improved.
- Example 14 the molding temperature was set at 305 ° C. In this case as well, the molten film was stable, and although the transparency was slightly reduced, the adhesive strength was further improved.
- Molding was carried out in the same manner as in Example 6, except that the molding temperature was set at 305 ° C. Also in this case, the molten film was stable. Although the transparency was slightly reduced as in Example 6, the adhesive strength was further improved.
- Molding was carried out in the same manner as in Example 7, except that the molding temperature was set at 305 ° C. Although the transparency was slightly lowered, good moldability and adhesive strength were obtained with this composition, and the water resistance was also good.
- a laminate was produced at a molding temperature of 280 ° C. in the same manner as in Example 1 using the ethylene (co) polymer ( ⁇ ′) alone without adding the epoxy compound as the component (II). In this case, the neck-in was larger than that obtained by adding the epoxy compound, and sufficient adhesive strength was not obtained.
- a polyolefin resin composition was prepared in the same manner as in Example 1 except that 0.5% by weight of non-epoxidized soybean oil was added instead of the component (II), and a laminate was produced.
- composition ratios of the polyolefin-based resin compositions in Examples 1 to 15 and Comparative Examples 1 to 4 are shown in Table 1 below.
- the physical properties of the obtained laminate and its molding Table 2 shows the temperatures.
- Molding was carried out in the same manner as in Example 1 except that Pp-2 was used as the component P, and Hp LDPE having a MFR of 7 gZl for 0 min and a density of 0.917 was melt-kneaded at different ratios. By mixing Hp LDPE with high melt tension, neck-in is greatly improved. The adhesive strength and water resistance were also good.
- Table 3 shows the composition ratio of the polyolefin resin composition in Example 16 above, and Table 4 shows the physical properties of the obtained laminate and the molding temperature. Table 3
- the present invention is a composition containing a novel linear ethylene (co) polymer having excellent physical properties, processability, and good adhesion to a substrate, and has a relatively small molecular weight distribution. It has a wide composition distribution, low content of low molecular weight components and amorphous components, and is excellent in mechanical properties, moldability, optical properties and heat resistance. Excellent adhesive strength when laminated with polyester, polyamide, metal foil, etc. by extrusion lamination molding, T-die molding, blown film molding, etc.
- the extrusion lamination method enables a wide temperature range from a low temperature range to a high temperature range and high-speed molding which could not be achieved conventionally without using an anchor coating agent, and provides a laminate having high adhesive strength.
- the laminate is excellent in adhesive strength, transparency, and heat sealability, and has a small amount of solvent extractable components. Therefore, the laminate is suitable for various packaging materials such as food and clothing, containers and the like.
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Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007009844A KR20010041644A (ko) | 1998-03-05 | 1998-03-05 | 폴리올레핀계 수지 조성물, 이의 적층체 및 이의 제조방법 |
CN98814005A CN1294613A (zh) | 1998-03-05 | 1998-03-05 | 聚烯烃系树脂组合物、其层压体及其制造方法 |
PCT/JP1998/000914 WO1999045063A1 (fr) | 1998-03-05 | 1998-03-05 | Composition de resine de polyolefine, lamine de celle-ci et procede de production associe |
EP98905777A EP1063260A4 (fr) | 1998-03-05 | 1998-03-05 | Composition de resine de polyolefine, lamine de celle-ci et procede de production associe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1998/000914 WO1999045063A1 (fr) | 1998-03-05 | 1998-03-05 | Composition de resine de polyolefine, lamine de celle-ci et procede de production associe |
Publications (1)
Publication Number | Publication Date |
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WO1999045063A1 true WO1999045063A1 (fr) | 1999-09-10 |
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PCT/JP1998/000914 WO1999045063A1 (fr) | 1998-03-05 | 1998-03-05 | Composition de resine de polyolefine, lamine de celle-ci et procede de production associe |
Country Status (4)
Country | Link |
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EP (1) | EP1063260A4 (fr) |
KR (1) | KR20010041644A (fr) |
CN (1) | CN1294613A (fr) |
WO (1) | WO1999045063A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001151953A (ja) * | 1999-10-26 | 2001-06-05 | Ciba Specialty Chem Holding Inc | ポリマーの機械的特性を改良するための添加剤混合物 |
WO2001083634A2 (fr) * | 2000-05-03 | 2001-11-08 | Kraton Polymers Research B.V. | Formulation destinee a des adhesifs pelables et films de revetement |
JP2003231220A (ja) * | 2002-02-05 | 2003-08-19 | Japan Polyolefins Co Ltd | 電子部品キャリアテープ用カバーフィルム |
JP2004202979A (ja) * | 2002-12-26 | 2004-07-22 | Japan Polyolefins Co Ltd | 剥離基体ならびにその製造方法および剥離性積層体 |
JP2004202978A (ja) * | 2002-12-26 | 2004-07-22 | Japan Polyolefins Co Ltd | 工程シートおよびその製造方法 |
WO2017175878A1 (fr) * | 2016-04-08 | 2017-10-12 | 株式会社トクヤマ | Film poreux étiré et son procédé de production |
JP2020100434A (ja) * | 2018-12-25 | 2020-07-02 | 凸版印刷株式会社 | 液体用紙容器 |
CN113150380A (zh) * | 2021-05-09 | 2021-07-23 | 江西宏远化工有限公司 | Pvc的热稳定剂硬脂酸镧的制备方法及其应用 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1373400A2 (fr) | 2001-03-16 | 2004-01-02 | Chevron Phillips Chemical Company LP | Melanges de resines de polyethylene et de resines aliphatiques hydrogenees de faible poids moleculaire |
JP5688194B2 (ja) * | 2012-12-14 | 2015-03-25 | オカモト株式会社 | 食品包装用ラップフィルム |
SE538363C2 (sv) * | 2014-01-24 | 2016-05-31 | Stora Enso Oyj | Förfarande för förbättring av värmeförseglingsbarhet hos polyester, samt för framställning av en värmeförseglad behållare eller förpackning |
KR102051830B1 (ko) * | 2019-05-09 | 2019-12-04 | 주식회사 일신웰스 | 폴리올레핀계 수지 조성물 및 이를 이용한 식품포장용 필름 |
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JP2001151953A (ja) * | 1999-10-26 | 2001-06-05 | Ciba Specialty Chem Holding Inc | ポリマーの機械的特性を改良するための添加剤混合物 |
WO2001083634A2 (fr) * | 2000-05-03 | 2001-11-08 | Kraton Polymers Research B.V. | Formulation destinee a des adhesifs pelables et films de revetement |
WO2001083634A3 (fr) * | 2000-05-03 | 2002-07-04 | Kraton Polymers Res Bv | Formulation destinee a des adhesifs pelables et films de revetement |
JP2003231220A (ja) * | 2002-02-05 | 2003-08-19 | Japan Polyolefins Co Ltd | 電子部品キャリアテープ用カバーフィルム |
JP2004202979A (ja) * | 2002-12-26 | 2004-07-22 | Japan Polyolefins Co Ltd | 剥離基体ならびにその製造方法および剥離性積層体 |
JP2004202978A (ja) * | 2002-12-26 | 2004-07-22 | Japan Polyolefins Co Ltd | 工程シートおよびその製造方法 |
WO2017175878A1 (fr) * | 2016-04-08 | 2017-10-12 | 株式会社トクヤマ | Film poreux étiré et son procédé de production |
JPWO2017175878A1 (ja) * | 2016-04-08 | 2019-02-14 | 株式会社トクヤマ | 延伸多孔性フィルム及びその製造方法 |
JP2020100434A (ja) * | 2018-12-25 | 2020-07-02 | 凸版印刷株式会社 | 液体用紙容器 |
CN113150380A (zh) * | 2021-05-09 | 2021-07-23 | 江西宏远化工有限公司 | Pvc的热稳定剂硬脂酸镧的制备方法及其应用 |
CN113150380B (zh) * | 2021-05-09 | 2022-05-10 | 江西宏远化工有限公司 | Pvc的热稳定剂硬脂酸镧的制备方法及其应用 |
Also Published As
Publication number | Publication date |
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EP1063260A1 (fr) | 2000-12-27 |
CN1294613A (zh) | 2001-05-09 |
KR20010041644A (ko) | 2001-05-25 |
EP1063260A4 (fr) | 2001-11-07 |
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